The North Pacific : magnetic disturbances.

Bibliographic Details
Corporate Author:	United States. Army Map Service
Format:	Map
Language:	English
Published:	[U.S.?] : Cartographic Section, Dissemination Branch, [1943?]
Subjects:	Geomagnetism > North Pacific Ocean > Maps. North Pacific Ocean > Maps.

Evans: Maps (2nd floor) (Does not check out)